Menu 中是不是不能 addSelectionListener(listener);MenuItem 才可以.我想统一处理菜单的选择事件,应该如何做.象这样menu (假设最上层,我想在他上面侦听,就不用一个一个下次menuItem去侦听了)menu.addxxxListener(new MyMouseDoubleClick());private static final class MyMouseDoubleClick extends MouseAdapter
{
public void mouseDoubleClick(MouseEvent e)
{
switch (e.是哪个menuItem 选择)
{
case a,b: OpenWindow(xxx);
case c: OpenWindow(xxx);
.........
}
}
}
最好可以贴出代码,给我参考一下.
{
public void mouseDoubleClick(MouseEvent e)
{
switch (e.是哪个menuItem 选择)
{
case a,b: OpenWindow(xxx);
case c: OpenWindow(xxx);
.........
}
}
}
最好可以贴出代码,给我参考一下.
{
Component cmp = menu.getComponent(i);
if(cmp instanceof JMenuItem)
{
((JMenuItem)cmp).addActionListener(XXXX);
}
}
if (e.getActionCommand() == "item1") {
//
}
}
};
JMenuItem item1 = new JMenuItem();
item1.addActionListener(l);
item1.setActionCommand("item1");
JMenuItem item2 = new JMenuItem();
item2.addActionListener(l);
JMenuItem item3 = new JMenuItem();
item3.addActionListener(l);